GO-2026-6367

vendorUSosv

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium

view advisory published 2026-09-10Licence: per source

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-56743US—OT elevated—
Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or…
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references

External citations — patches, advisories, analysis.

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